I have a President of a large bank that has an HP 97 & 12C Calculators. He wants to know what other HP Calculators are available that have the "Keystroke Programming" feature. He knows how to program calculators (former MIT student) and his HP 97 is dead.

If you get onto HP's website choose Products and Services then calculators. You will be given choices from the various categories of calculators (i.e., scientific, financial, graphing). It would be helpful to know what your banker wants to use his future calculator for. Contact me directly if you have further questions.

'what other HP Calculators are available that have the "Keystroke Programming" feature'

I think the only current HP calculators that have key stroke programming is the HP12C and HP32SII. I'm not sure about the HP17 and HP19 but I don't think they have it.

The HP48/49 are quite different to program as they use RPL not RPN and take a bit of getting used to if you have only done keystroke programming. Don't get the HP49G to learn RPL because the HP manuals don't cover RPL programming at all. Get the HP48G+ or HP48GX to learn RPL as the standard manual (+ advanced user guide) are OK.

I do not like working with algebraic calculators, but the HP20S is one trully keystroke programmable, as it does not have softkeys and all resources are available printed over the keyboard, as in the HP97 and 12C. The big difference is the equals key instead of an ENTER key. If RPN is a must, the HP20S will be NO choice; if algebraic is acceptable, go for it.

No way to be against you. Completely right. I have used an HP97 for more than 2 years and there is no way to describe the feeling. Isaac Asimov used one (is it correct?) to compute numbers used in 2001 - A Space Odissey. It is amazing.

wrong author: clarke. wrong decade: the 1960's. right idea: i can't imagine someone as brilliant as asimov using an algebraic. i just read his "science for idiots" book; frontiers II. interesting in a wide range of subjects.